diff options
Diffstat (limited to 'sound/soc/codecs/wm8804.c')
-rw-r--r-- | sound/soc/codecs/wm8804.c | 154 |
1 files changed, 74 insertions, 80 deletions
diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c index d54a3ca..6bd1b76 100644 --- a/sound/soc/codecs/wm8804.c +++ b/sound/soc/codecs/wm8804.c @@ -18,6 +18,7 @@ #include <linux/i2c.h> #include <linux/of_device.h> #include <linux/spi/spi.h> +#include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <sound/core.h> @@ -35,45 +36,33 @@ static const char *wm8804_supply_names[WM8804_NUM_SUPPLIES] = { "DVDD" }; -static const u8 wm8804_reg_defs[] = { - 0x05, /* R0 - RST/DEVID1 */ - 0x88, /* R1 - DEVID2 */ - 0x04, /* R2 - DEVREV */ - 0x21, /* R3 - PLL1 */ - 0xFD, /* R4 - PLL2 */ - 0x36, /* R5 - PLL3 */ - 0x07, /* R6 - PLL4 */ - 0x16, /* R7 - PLL5 */ - 0x18, /* R8 - PLL6 */ - 0xFF, /* R9 - SPDMODE */ - 0x00, /* R10 - INTMASK */ - 0x00, /* R11 - INTSTAT */ - 0x00, /* R12 - SPDSTAT */ - 0x00, /* R13 - RXCHAN1 */ - 0x00, /* R14 - RXCHAN2 */ - 0x00, /* R15 - RXCHAN3 */ - 0x00, /* R16 - RXCHAN4 */ - 0x00, /* R17 - RXCHAN5 */ - 0x00, /* R18 - SPDTX1 */ - 0x00, /* R19 - SPDTX2 */ - 0x00, /* R20 - SPDTX3 */ - 0x71, /* R21 - SPDTX4 */ - 0x0B, /* R22 - SPDTX5 */ - 0x70, /* R23 - GPO0 */ - 0x57, /* R24 - GPO1 */ - 0x00, /* R25 */ - 0x42, /* R26 - GPO2 */ - 0x06, /* R27 - AIFTX */ - 0x06, /* R28 - AIFRX */ - 0x80, /* R29 - SPDRX1 */ - 0x07, /* R30 - PWRDN */ +static const struct reg_default wm8804_reg_defaults[] = { + { 3, 0x21 }, /* R3 - PLL1 */ + { 4, 0xFD }, /* R4 - PLL2 */ + { 5, 0x36 }, /* R5 - PLL3 */ + { 6, 0x07 }, /* R6 - PLL4 */ + { 7, 0x16 }, /* R7 - PLL5 */ + { 8, 0x18 }, /* R8 - PLL6 */ + { 9, 0xFF }, /* R9 - SPDMODE */ + { 10, 0x00 }, /* R10 - INTMASK */ + { 18, 0x00 }, /* R18 - SPDTX1 */ + { 19, 0x00 }, /* R19 - SPDTX2 */ + { 20, 0x00 }, /* R20 - SPDTX3 */ + { 21, 0x71 }, /* R21 - SPDTX4 */ + { 22, 0x0B }, /* R22 - SPDTX5 */ + { 23, 0x70 }, /* R23 - GPO0 */ + { 24, 0x57 }, /* R24 - GPO1 */ + { 26, 0x42 }, /* R26 - GPO2 */ + { 27, 0x06 }, /* R27 - AIFTX */ + { 28, 0x06 }, /* R28 - AIFRX */ + { 29, 0x80 }, /* R29 - SPDRX1 */ + { 30, 0x07 }, /* R30 - PWRDN */ }; struct wm8804_priv { - enum snd_soc_control_type control_type; + struct regmap *regmap; struct regulator_bulk_data supplies[WM8804_NUM_SUPPLIES]; struct notifier_block disable_nb[WM8804_NUM_SUPPLIES]; - struct snd_soc_codec *codec; }; static int txsrc_get(struct snd_kcontrol *kcontrol, @@ -94,7 +83,7 @@ static int wm8804_regulator_event_##n(struct notifier_block *nb, \ struct wm8804_priv *wm8804 = container_of(nb, struct wm8804_priv, \ disable_nb[n]); \ if (event & REGULATOR_EVENT_DISABLE) { \ - wm8804->codec->cache_sync = 1; \ + regcache_mark_dirty(wm8804->regmap); \ } \ return 0; \ } @@ -176,7 +165,7 @@ static int txsrc_put(struct snd_kcontrol *kcontrol, return 0; } -static int wm8804_volatile(struct snd_soc_codec *codec, unsigned int reg) +static bool wm8804_volatile(struct device *dev, unsigned int reg) { switch (reg) { case WM8804_RST_DEVID1: @@ -189,12 +178,10 @@ static int wm8804_volatile(struct snd_soc_codec *codec, unsigned int reg) case WM8804_RXCHAN3: case WM8804_RXCHAN4: case WM8804_RXCHAN5: - return 1; + return true; default: - break; + return false; } - - return 0; } static int wm8804_reset(struct snd_soc_codec *codec) @@ -482,24 +469,6 @@ static int wm8804_set_clkdiv(struct snd_soc_dai *dai, return 0; } -static void wm8804_sync_cache(struct snd_soc_codec *codec) -{ - short i; - u8 *cache; - - if (!codec->cache_sync) - return; - - codec->cache_only = 0; - cache = codec->reg_cache; - for (i = 0; i < codec->driver->reg_cache_size; i++) { - if (i == WM8804_RST_DEVID1 || cache[i] == wm8804_reg_defs[i]) - continue; - snd_soc_write(codec, i, cache[i]); - } - codec->cache_sync = 0; -} - static int wm8804_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { @@ -524,7 +493,7 @@ static int wm8804_set_bias_level(struct snd_soc_codec *codec, ret); return ret; } - wm8804_sync_cache(codec); + regcache_sync(wm8804->regmap); } /* power down the OSC and the PLL */ snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0x9); @@ -579,11 +548,10 @@ static int wm8804_probe(struct snd_soc_codec *codec) int i, id1, id2, ret; wm8804 = snd_soc_codec_get_drvdata(codec); - wm8804->codec = codec; - codec->dapm.idle_bias_off = 1; + codec->control_data = wm8804->regmap; - ret = snd_soc_codec_set_cache_io(codec, 8, 8, wm8804->control_type); + ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP); if (ret < 0) { dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret); return ret; @@ -636,8 +604,7 @@ static int wm8804_probe(struct snd_soc_codec *codec) id2 = (id2 << 8) | id1; - if (id2 != ((wm8804_reg_defs[WM8804_DEVID2] << 8) - | wm8804_reg_defs[WM8804_RST_DEVID1])) { + if (id2 != 0x8805) { dev_err(codec->dev, "Invalid device ID: %#x\n", id2); ret = -EINVAL; goto err_reg_enable; @@ -710,10 +677,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8804 = { .suspend = wm8804_suspend, .resume = wm8804_resume, .set_bias_level = wm8804_set_bias_level, - .reg_cache_size = ARRAY_SIZE(wm8804_reg_defs), - .reg_word_size = sizeof(u8), - .reg_cache_default = wm8804_reg_defs, - .volatile_register = wm8804_volatile, + .idle_bias_off = true, .controls = wm8804_snd_controls, .num_controls = ARRAY_SIZE(wm8804_snd_controls), @@ -725,30 +689,47 @@ static const struct of_device_id wm8804_of_match[] = { }; MODULE_DEVICE_TABLE(of, wm8804_of_match); +static struct regmap_config wm8804_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = WM8804_MAX_REGISTER, + .volatile_reg = wm8804_volatile, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults = wm8804_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8804_reg_defaults), +}; + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8804_spi_probe(struct spi_device *spi) { struct wm8804_priv *wm8804; int ret; - wm8804 = kzalloc(sizeof *wm8804, GFP_KERNEL); + wm8804 = devm_kzalloc(&spi->dev, sizeof *wm8804, GFP_KERNEL); if (!wm8804) return -ENOMEM; - wm8804->control_type = SND_SOC_SPI; + wm8804->regmap = regmap_init_spi(spi, &wm8804_regmap_config); + if (IS_ERR(wm8804->regmap)) { + ret = PTR_ERR(wm8804->regmap); + return ret; + } + spi_set_drvdata(spi, wm8804); ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8804, &wm8804_dai, 1); - if (ret < 0) - kfree(wm8804); + return ret; } static int __devexit wm8804_spi_remove(struct spi_device *spi) { + struct wm8804_priv *wm8804 = spi_get_drvdata(spi); snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); + regmap_exit(wm8804->regmap); return 0; } @@ -770,24 +751,37 @@ static __devinit int wm8804_i2c_probe(struct i2c_client *i2c, struct wm8804_priv *wm8804; int ret; - wm8804 = kzalloc(sizeof *wm8804, GFP_KERNEL); + wm8804 = devm_kzalloc(&i2c->dev, sizeof *wm8804, GFP_KERNEL); if (!wm8804) return -ENOMEM; - wm8804->control_type = SND_SOC_I2C; + wm8804->regmap = regmap_init_i2c(i2c, &wm8804_regmap_config); + if (IS_ERR(wm8804->regmap)) { + ret = PTR_ERR(wm8804->regmap); + return ret; + } + i2c_set_clientdata(i2c, wm8804); ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8804, &wm8804_dai, 1); - if (ret < 0) - kfree(wm8804); + if (ret != 0) + goto err; + + return 0; + +err: + regmap_exit(wm8804->regmap); return ret; } -static __devexit int wm8804_i2c_remove(struct i2c_client *client) +static __devexit int wm8804_i2c_remove(struct i2c_client *i2c) { - snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); + struct wm8804_priv *wm8804 = i2c_get_clientdata(i2c); + + snd_soc_unregister_codec(&i2c->dev); + regmap_exit(wm8804->regmap); + return 0; } |